@cainiaofe/cn-ui-m
Version:
30 lines (29 loc) • 869 B
JavaScript
/**
* 改变父节点状态，主要是全选、半选、未选中
* @param node 节点
*/
export function updateParentNodeState(node) {
if (!node.children || node.children.length === 0) {
return;
}
var allChildrenChecked = true;
var someChildrenChecked = false;
for (var _i = 0, _a = node.children; _i < _a.length; _i++) {
var child = _a[_i];
if (!child.disabled) {
allChildrenChecked = allChildrenChecked && child.checked;
someChildrenChecked =
someChildrenChecked || child.checked || child.indeterminate;
}
}
var checked = false;
var indeterminate = false;
if (allChildrenChecked) {
checked = true;
}
else if (someChildrenChecked) {
indeterminate = true;
}
node.checked = checked;
node.indeterminate = indeterminate;
}